Home / 382,170.52-573,337.33-129,442.16

Finding the Fourth Proportional to 382,170.52, 573,337.33 and 129,442.16

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Solution

The fourth proportional to 382,170.52, 573,337.33 and 129,442.16 is: 194,190.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,170.52 : 573,337.33 = 129,442.16 : x
  2. Step 2: Convert to fraction form
    382,170.52/573,337.33 = 129,442.16/x
  3. Step 3: Cross multiply
    382,170.52x = 573,337.33 × 129,442.16
  4. Step 4: Simplify right side
    382,170.52x = 74,214,022,403.83
  5. Step 5: Solve for x
    x = 74,214,022,403.83/382,170.52
  6. Step 6: Final answer
    x = 194,190.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.